513646948 has 12 divisors (see below), whose sum is σ = 937964160. Its totient is φ = 245657192.

The previous prime is 513646943. The next prime is 513647021. The reversal of 513646948 is 849646315.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 513646898 and 513646907.

It is not an unprimeable number, because it can be changed into a prime (513646943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791468 + ... + 2791651.

It is an arithmetic number, because the mean of its divisors is an integer number (78163680).

Almost surely, 2^513646948 is an apocalyptic number.

It is an amenable number.

513646948 is a deficient number, since it is larger than the sum of its proper divisors (424317212).

513646948 is a wasteful number, since it uses less digits than its factorization.

513646948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583146 (or 5583144 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 513646948 is about 22663.7805319413. The cubic root of 513646948 is about 800.8568673120.

The spelling of 513646948 in words is "five hundred thirteen million, six hundred forty-six thousand, nine hundred forty-eight".